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Water Intake Calculator

Estimate how much water you should drink daily based on body weight and exercise.

How to Use the Water Intake Calculator

  1. Enter your values in the fields above.
  2. Press the Calculate / action button.
  3. Your result appears instantly below — adjust any value and calculate again.

About This Tool

Estimate how much water you should drink daily based on body weight and exercise. This tool runs instantly in your browser — no data is sent to any server. It is completely free with no sign-up, no watermarks and no daily limits.

Frequently Asked Questions

Is the Water Intake Calculator free to use?

Yes, it is 100% free with no sign-up and no limits.

Is my data safe?

Yes. This tool works entirely in your web browser, so your inputs and files are never sent to or stored on a server.

Does it work on mobile?

Yes, the Water Intake Calculator works on phones, tablets and computers — anything with a modern web browser.

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